Title:
PREPARATION OF MASTER DIE RELATED TO BLASTING HOLE TO LOAD
Document Type and Number:
Japanese Patent JPS63294500
Kind Code:
A
Inventors:
NAKAJIMA YASUJI
Application Number:
JP13058087A
Publication Date:
December 01, 1988
Filing Date:
May 27, 1987
Export Citation:
Assignee:
NAKAJIMA YASUJI
International Classes:
F42D5/00; (IPC1-7): F42D5/00
Attorney, Agent or Firm:
Mine Mamoru